document.write( "Question 261876: suppose M is between L and N use segment Additing postulate to solve for the variable then find lengths of line LM, line MN and line LN.\r
\n" ); document.write( "\n" ); document.write( "LM= 3x+8
\n" ); document.write( "MN= 2x-5
\n" ); document.write( "LN= 23
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Algebra.Com's Answer #192948 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The segment addition principle says that if a segment is divided into a number of smaller segments then I can add the measures of all of the small segments to get the measure of the original segment. In other words:\r
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\n" ); document.write( "\n" ); document.write( "Substituting the given values we get:\r
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\n" ); document.write( "\n" ); document.write( "Solve the equation for .\r
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\n" ); document.write( "\n" ); document.write( "John
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